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Commit Graph
721 Commits
Author SHA1 Message Date
James R. Barlow 9559b0b186 Use pikepdf to perform qpdf.check() 2019-12-11 01:21:15 -08:00
James R. Barlow 91456e19a4 pdfa.py: Fix misleading comment 2019-12-11 01:05:47 -08:00
James R. Barlow a2d89f67c4 Improve help messages for Windows 2019-12-10 01:44:00 -08:00
James R. Barlow f34130d193 Fixed case where page image was not converted to JPEG 
If a preprocessing option was used,
and all original images on the page were JPEGs,
and --output-type=pdf, then
images would saved as Flate instead
of converted to JPEG.
 2019-12-10 01:07:59 -08:00
James R. Barlow c5571388e2 Improve test coverage of _sync.py 2019-12-10 01:06:27 -08:00
James R. Barlow b354511ac9 ghostscript: document need to write to stdout when using txtwrite 2019-12-09 16:17:10 -08:00
James R. Barlow 65855dc14c Fix close_fds=True on Windows Python 3.6 2019-12-09 16:17:10 -08:00
James R. Barlow cac4a8b9b6 Suppress duplicate error messages from Ghostscript 2019-12-06 15:14:15 -08:00
James R. Barlow 1c1b60fa9f Add typing hints for ocr() function 2019-12-06 15:10:54 -08:00
James R. Barlow 6b745d892f Merge branch 'windows' 2019-12-06 15:09:09 -08:00
James R. Barlow fbf271a3ec Remove Tesseract < 4.0 specific check 2019-12-06 15:06:02 -08:00
James R. Barlow 8077718804 Possible fix to loss of log adapter state 2019-12-06 15:05:58 -08:00
James R. Barlow b8b7ecfe7f Fix DecompressionBomb related errors due to Windows process differences 2019-12-04 21:10:27 -08:00
James R. Barlow cb3cfaa055 Add Windows install advice 2019-12-04 21:01:09 -08:00
James R. Barlow 9db01c7ff5 Remove test_bad_utf8 
Due to difficulties of getting this to work on Python 3.8, Windows, and
high probability that this behavior is now gone from Tesseract 4.0+.

Originally added in 2017.
 2019-12-04 21:01:09 -08:00
James R. Barlow d0301813cc ghosttext: mention page number differences 2019-12-04 21:01:09 -08:00
James R. Barlow 06a1f987d4 Use _OCRMYPDF_TEST_PATH for testing and .py stubs to simulate symlinks 2019-12-04 21:01:06 -08:00
James R. Barlow e51e21c6b6 ghostscript: Refactor checking for executable name on Windows 2019-12-04 21:01:06 -08:00
James R. Barlow c5fa72bd4e ghostscript: use run(check=True) for more consistent error handling 2019-12-04 21:01:00 -08:00
James R. Barlow bf99587aa1 ghostscript: use correct executable name on Windows 2019-12-04 17:37:38 -08:00
James R. Barlow d249aef57d ghostscript: don't use NamedTemporaryFile 
Temporary files are more awkward for Windows.
 2019-12-04 17:37:38 -08:00
James R. Barlow 43ab7c88d7 Remove os_environ() context manager 2019-12-04 17:37:38 -08:00
James R. Barlow 3f92867ae6 Fix TypeError "environment can only contain strings" 
Apparently Windows Python doesn't coerce pathlib.Path to str.
 2019-12-04 17:13:51 -08:00
James R. Barlow e63503d64b Fix difference in Windows error message breaking test_no_languages 2019-12-04 17:13:51 -08:00
James R. Barlow 17d20309c7 leptonica: fix missing Leptonica error message for Windows 
Since it has the unintuitive fix of adding Tesseract to PATH.
 2019-12-04 17:13:51 -08:00
James R. Barlow fe7c69ce95 leptonica: don't open files by name; use memory buffers 
Avoids encoding issues and makes error trap unnecessary in some cases.
 2019-12-04 17:13:51 -08:00
James R. Barlow 9baccee8c5 leptonica: Handle API change for pixFindPageForeground 2019-12-04 17:13:51 -08:00
James R. Barlow d5bb9929f3 leptonica: Use Windows name for DLL 
Thanks to @dibu28
 2019-12-04 17:13:51 -08:00
James R. Barlow 72d3ee3a87 Refactor symlink usage to support Windows 2019-12-04 17:13:51 -08:00
James R. Barlow 17c419dfcb compile_leptonica: move to correct location 2019-12-04 17:04:08 -08:00
James R. Barlow b7f63bc93d Make devnull check compatible with Windows 2019-12-04 17:04:08 -08:00
James R. Barlow 9b2ab92913 tesseract: fix exception when logger is RootLogger 2019-11-11 22:19:01 -08:00
James R. Barlow 0c4b69ec5a Fix lint warning about missing cur_item 2019-11-09 14:56:43 -08:00
James R. Barlow 45bea1c0e0 Import and docstring cleanup 2019-11-09 14:56:30 -08:00
James R. Barlow db914d4cd1 Report missing optional dependencies as possible cause of file size increase 2019-11-09 14:21:57 -08:00
James R. Barlow 979b0bcaed tesseract: refactor logging 2019-11-05 15:38:09 -08:00
James R. Barlow 3438afaffe Support pdfminer.six 20191020 2019-11-04 03:15:59 -08:00
James R. Barlow 80651fe12c Fix test suite error 2019-10-24 18:17:03 -07:00
James R. Barlow b332d76782 Mention when we default to English and the system locale is not English 
Closes #337
 2019-10-22 01:49:38 -07:00
James R. Barlow 6e99e7b346 Use lstm_use_matrix for --user-words,patterns 2019-10-20 00:49:11 -07:00
James R. Barlow 4d26867dee Delinting 2019-09-20 17:17:11 -07:00
James R. Barlow 78e8bf9cbf Use at most 3 Tesseract threads 
Based on a user suggestion and
tesseract-ocr/tesseract#2611, I reviewed thread limits and found that
thread limit of 3 is still beneficial, but not 4.

> time env OMP_THREAD_LIMIT=2 tesseract omp4.png stdout >/dev/null
Warning: Invalid resolution 0 dpi. Using 70 instead.
Estimating resolution as 143
116.67user 1.67system 1:26.26elapsed 137%CPU (0avgtext+0avgdata 356752maxresident)k
2213inputs+0outputs (18major+131059minor)pagefaults 0swaps
> time env OMP_THREAD_LIMIT=3 tesseract omp4.png stdout >/dev/null
Warning: Invalid resolution 0 dpi. Using 70 instead.
Estimating resolution as 143
136.89user 1.63system 1:19.56elapsed 174%CPU (0avgtext+0avgdata 356784maxresident)k
821inputs+0outputs (0major+131080minor)pagefaults 0swaps
> time env OMP_THREAD_LIMIT=4 tesseract omp4.png stdout >/dev/null
Warning: Invalid resolution 0 dpi. Using 70 instead.
Estimating resolution as 143
161.31user 1.51system 1:18.80elapsed 206%CPU (0avgtext+0avgdata 356632maxresident)k
8477inputs+0outputs (12major+131074minor)pagefaults 0swaps
> time env OMP_THREAD_LIMIT=8 tesseract omp4.png stdout >/dev/null
Warning: Invalid resolution 0 dpi. Using 70 instead.
Estimating resolution as 143
160.30user 1.62system 1:18.01elapsed 207%CPU (0avgtext+0avgdata 356640maxresident)k
821inputs+0outputs (0major+131078minor)pagefaults 0swaps
 2019-09-20 17:12:36 -07:00
James R. Barlow a8565bac6e Fix any False in the ocrmypdf.ocr() API being set to True 2019-09-15 01:47:31 -07:00
James R. Barlow 6e8b0c3194 Fix py36 test including 37 2019-09-15 01:47:10 -07:00
James R. Barlow cf4b04c5d1 optimize: work around pikepdf 1.6.3 limitation with indexed ICCbased colorspaces 2019-09-11 12:56:27 -07:00
James R. Barlow 078bc2abe9 pdfa: assume 3 RGB channels always 2019-09-11 12:55:38 -07:00
James R. Barlow 17ac9d7a9a Embed ICC profile in .ps (fixing Ghostscript 9.28 compatibility) 
Previously we included the
   filename, which required Postscript to run with file access enabled. For
   security, Ghostscript 9.28 enables ``-dSAFER`` and as such, no longer
   permits access to any file by default. This fix is necessary for
   compatibility with Ghostscript 9.28.

We use ASCII85 for a slightly more compact representation.
 2019-09-05 13:17:26 -07:00
James R. Barlow 1c3e90a892 optimize: solve monochrome by converting to G4 2019-09-04 00:51:47 -07:00
James R. Barlow a650caa599 optimize: don't consider 1bpp images for PNG optimization 2019-09-03 23:47:20 -07:00
James R. Barlow c6caff90a1 optimize: only re-insert pngs after pngquant 
Previously we attempted to reinsert all PNGs, but it appears to be
unlikely that Leptonica's API is actually capable of optimizing the PNG
before it inserts it.

In any event qpdf has gained image optimization capabilities as well
which we coudld borrow.
 2019-09-03 23:46:25 -07:00